Definition of arum in English:

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Pronunciation: /ˈerəm/


A North American and European plant that has arrow-shaped leaves and a broad leafy spathe enclosing a club-shaped spadix, and that bears bright red berries in late summer.
  • Arum, Arisaema, and other genera, family Araceae (the arum family): several species, including jack-in-the-pulpit, cuckoopint, and skunk cabbage. The arum family also contains a number of popular houseplants, such as philodendrons and calla lilies.
Example sentences
  • It's a South American species, Xanthosoma robustum, that's related to the dead-horse arum, philodendron, and skunk cabbage.
  • The specific epithet amorphophallus refers to the central spadix of the arum, and essentially means amorphous phallus, or shapeless penis.
  • Its illustrations - detailed, accurate, and delightful - portray plants ranging from Aegyptian water lily to zebra-flowered arum, commonly known as jack-in-the-pulpit.


Late Middle English: from Latin, from Greek aron.

Words that rhyme with arum

harem, harum-scarum, Sarum

For editors and proofreaders

Syllabification: ar·um

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